DevTools: PageAgent: do not use ScriptResource::script as it changes state.

Source/core/inspector/InspectorPageAgent.cpp

Index: Source/core/inspector/InspectorPageAgent.cpp
diff --git a/Source/core/inspector/InspectorPageAgent.cpp b/Source/core/inspector/InspectorPageAgent.cpp
index 9439d3f8d0eea5af660dadfd3d34629f4f119ccf..60f4899abc6e128bf02a297161f25ebbb33c8e05 100644
--- a/Source/core/inspector/InspectorPageAgent.cpp
+++ b/Source/core/inspector/InspectorPageAgent.cpp
@@ -279,7 +279,7 @@ bool InspectorPageAgent::cachedResourceContent(Resource* cachedResource, String*
             *result = toCSSStyleSheetResource(cachedResource)->sheetText(false);
             return true;
         case Resource::Script:
-            *result = toScriptResource(cachedResource)->script();
+            *result = cachedResource->resourceBuffer() ? toScriptResource(cachedResource)->decodedText() : toScriptResource(cachedResource)->script();
             return true;
         case Resource::Raw: {
             SharedBuffer* buffer = cachedResource->resourceBuffer();